Quiz 12 - Global Weather Patterns

Which best describes why winds at the beach change direction between day and night?

• because the temperatures over land and over water change

• because warm air over land sinks and stays in place over land

• because cool air rises and is replaced by warm air from the ocean

• because cool air sinks and stays in place over land

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Which is the best explanation for how air masses move across the United States?

• The prevailing westerlies move air masses from west to east across the United States but may be deflected by the jet stream

• The trade winds move air masses from west to east across the

  United States.

• The jet stream moves air masses from the Pacific Ocean across the

  United States.

• The warm air of the Gulf Stream causes air masses to move from the Atlantic Ocean to the Pacific Ocean.

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Which best describes a characteristic of the jet stream?

• It forms a boundary between a cold air mass and a warm air mass.

• It creates the high winds around the eye of a hurricane.

• It forces the hot air along the equator to rise to areas in North America.

• It causes high pressure air masses to rotate clockwise.

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What is the cause of rising surface temperatures of the Pacific Ocean, drought in the western United States, and flooding on the Pacific coast of South America?

• Gulf Stream

• Jet Stream

• La Nina

• El Nino

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What will most likely result when the jet stream moves south of North Carolina?

• North Carolina will experience tropical weather conditions.

• North Carolina will experience hot, dry weather.

• North Carolina will experience mild weather .

• North Carolina will experience cold weather .

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During January and February, which most likely helps keep weather mild along the coast of North Carolina?

• El Nino

• La Nina

• The Gulf Stream

• The Jet Stream

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Local weather changes daily. Which of these would not be part of a daily weather report?

• Wind speed

• Air pressure

• Amount of precipitation

• The location of Gulf Stream

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On Tuesday, the weather is cold and cloudy. On Wednesday, the weather is sunny and warm. Which change most likely occurred from Tuesday to Wednesday?

• From high to low air pressure

• From low to high air pressure

• From low to high wind speed

• From low to high air precipitation

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A local weather forecaster predicts that a hurricane will begin to affect the Outer Banks of North Carolina in the next 24 hours. Which weather conditions will the hurricane most likely bring?

• Heavy snow and cold temperatures

• Clouds and light rain

• Sunshine and warm temperature

• Strong winds and heavy rain

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Weather forecasters predict that the polar jet stream will dip south into North Carolina. Which will most likely be the result in North Carolina?

• The wind speed will decrease

• The air pressure will increase

• The temperature will increase

• The temperature will decrease

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